Exact(9)
The problem with the data is irregular measurement interval, ranging from 1 to 13 years.
Therefore, more sophisticated methods are needed to deal with irregular measurement intervals.
Two other approaches to deal with irregular measurement intervals were tested and compared with the optimization-based approach.
Three different approaches to deal with irregular measurement interval were used in diameter increment and survival modelling.
The optimization-based modelling approach can be recommended for growth modelling when the modelling data have been collected at irregular measurement intervals.
This study showed that the method resulted in clearly better models than obtained with more simplistic approaches to deal with irregular measurement interval.
Similar(51)
Irregular measurements of methylation over time (i.e. some children measured at 15 and some at 17) are handled naturally by multilevel models, introducing no bias from this design.
Irregular measurements were characteristic of these short time periods.
In this paper, the design of an output predictor for systems with scarce irregular measurements with time varying delays is addressed.
Attempts to successfully implement model estimators are often hindered by severe process nonlinearities, complicated state constraints, systematic modeling errors, unmeasurable perturbations, and irregular measurements with possibly abnormal behaviors.
This model takes into account irregular time measurements and correlation between longitudinal observations.
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